| 1 | /* | 
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| 2 | * memoryusageobserverunittest.cpp | 
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| 3 | */ | 
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| 4 |  | 
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| 5 |  | 
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| 6 | using namespace std; | 
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| 7 |  | 
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| 8 | #include <cppunit/CompilerOutputter.h> | 
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| 9 | #include <cppunit/extensions/TestFactoryRegistry.h> | 
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| 10 | #include <cppunit/ui/text/TestRunner.h> | 
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| 11 |  | 
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| 12 | #include "memoryusageobserver.hpp" | 
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| 13 | #include "memoryusageobserverunittest.hpp" | 
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| 14 |  | 
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| 15 | /********************************************** Test classes **************************************/ | 
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| 16 | // Registers the fixture into the 'registry' | 
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| 17 | CPPUNIT_TEST_SUITE_REGISTRATION( MemoryUsageObserverTest ); | 
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| 18 |  | 
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| 19 |  | 
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| 20 | void MemoryUsageObserverTest::setUp() | 
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| 21 | { | 
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| 22 | }; | 
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| 23 |  | 
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| 24 |  | 
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| 25 | void MemoryUsageObserverTest::tearDown() | 
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| 26 | { | 
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| 27 | MemoryUsageObserver::purgeInstance(); | 
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| 28 | }; | 
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| 29 |  | 
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| 30 | /** | 
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| 31 | * UnitTest for getInstance() | 
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| 32 | */ | 
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| 33 | void MemoryUsageObserverTest::getInstanceReturnsMemoryUsageObserverTest() | 
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| 34 | { | 
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| 35 | CPPUNIT_ASSERT_EQUAL(true, MemoryUsageObserver::getInstance() != NULL); | 
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| 36 | }; | 
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| 37 |  | 
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| 38 | /** | 
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| 39 | * UnitTest for getInstance() | 
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| 40 | */ | 
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| 41 | void MemoryUsageObserverTest::getInstanceTwiceReturnsSameInstanceTest() | 
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| 42 | { | 
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| 43 | int* i = new int; | 
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| 44 | MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int)); | 
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| 45 | CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize()); | 
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| 46 | CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize()); | 
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| 47 | }; | 
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| 48 |  | 
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| 49 | /** | 
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| 50 | * UnitTest for getInstance() | 
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| 51 | */ | 
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| 52 | void MemoryUsageObserverTest::getInstanceAfterPurgeInstanceReturnsNewInstanceTest() | 
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| 53 | { | 
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| 54 | int* i = new int; | 
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| 55 | MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int)); | 
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| 56 | CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize()); | 
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| 57 | MemoryUsageObserver::purgeInstance(); | 
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| 58 | CPPUNIT_ASSERT_EQUAL((size_t) 0, MemoryUsageObserver::getInstance()->getUsedMemorySize()); | 
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| 59 | }; | 
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| 60 |  | 
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| 61 | /** | 
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| 62 | * UnitTest for addMemory() and removeMemory() | 
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| 63 | */ | 
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| 64 | void MemoryUsageObserverTest::addAndRemoveMemoryTest() | 
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| 65 | { | 
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| 66 | int* i = new int; | 
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| 67 | MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int)); | 
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| 68 | CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize()); | 
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| 69 | MemoryUsageObserver::getInstance()->removeMemory(i); | 
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| 70 | CPPUNIT_ASSERT_EQUAL((size_t) 0, MemoryUsageObserver::getInstance()->getUsedMemorySize()); | 
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| 71 | }; | 
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| 72 |  | 
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| 73 | /** | 
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| 74 | * UnitTest for addMemory() and removeMemory() | 
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| 75 | */ | 
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| 76 | void MemoryUsageObserverTest::removeNonTrackedMemoryDoesNotCauseACrashTest() | 
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| 77 | { | 
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| 78 | int* i = new int; | 
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| 79 | MemoryUsageObserver::getInstance()->removeMemory(i); | 
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| 80 | CPPUNIT_ASSERT_EQUAL((size_t) 0, MemoryUsageObserver::getInstance()->getUsedMemorySize()); | 
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| 81 | }; | 
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| 82 |  | 
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| 83 | /** | 
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| 84 | * UnitTest for addMemory() and removeMemory() | 
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| 85 | */ | 
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| 86 | void MemoryUsageObserverTest::addMemoryTwiceTest() | 
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| 87 | { | 
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| 88 | int* i = new int; | 
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| 89 | int* j = new int; | 
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| 90 | MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int)); | 
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| 91 | MemoryUsageObserver::getInstance()->addMemory(j, sizeof(int)); | 
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| 92 | CPPUNIT_ASSERT_EQUAL(2 * sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize()); | 
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| 93 | }; | 
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| 94 |  | 
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| 95 | /** | 
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| 96 | * UnitTest for addMemory() and removeMemory() | 
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| 97 | */ | 
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| 98 | void MemoryUsageObserverTest::addMemoryAndChangeSizeOfAddedMemoryTest() | 
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| 99 | { | 
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| 100 | int* i = new int; | 
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| 101 | MemoryUsageObserver::getInstance()->addMemory(i, 2 * sizeof(int)); | 
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| 102 | MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int)); | 
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| 103 | CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize()); | 
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| 104 | }; | 
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| 105 |  | 
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| 106 | /** | 
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| 107 | * UnitTest for getMaximumUsedMemory() | 
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| 108 | */ | 
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| 109 | void MemoryUsageObserverTest::addMemoryChangeSizeOfAddedMemoryAndGetMaximumSizeTest() | 
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| 110 | { | 
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| 111 | int* i = new int; | 
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| 112 | MemoryUsageObserver::getInstance()->addMemory(i, 2 * sizeof(int)); | 
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| 113 | MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int)); | 
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| 114 | CPPUNIT_ASSERT_EQUAL(2 * sizeof(int), MemoryUsageObserver::getInstance()->getMaximumUsedMemory()); | 
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| 115 | }; | 
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| 116 |  | 
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| 117 | /** | 
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| 118 | * UnitTest for getMaximumUsedMemory() | 
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| 119 | */ | 
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| 120 | void MemoryUsageObserverTest::addMemoryRemoveMemoryAndGetMaximumSizeTest() | 
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| 121 | { | 
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| 122 | int* i = new int; | 
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| 123 | MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int)); | 
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| 124 | MemoryUsageObserver::getInstance()->removeMemory(i); | 
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| 125 | CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getMaximumUsedMemory()); | 
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| 126 | }; | 
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| 127 | /********************************************** Main routine **************************************/ | 
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| 128 |  | 
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| 129 | int main(int argc, char **argv) | 
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| 130 | { | 
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| 131 | // Get the top level suite from the registry | 
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| 132 | CppUnit::Test *suite = CppUnit::TestFactoryRegistry::getRegistry().makeTest(); | 
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| 133 |  | 
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| 134 | // Adds the test to the list of test to run | 
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| 135 | CppUnit::TextUi::TestRunner runner; | 
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| 136 | runner.addTest( suite ); | 
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| 137 |  | 
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| 138 | // Change the default outputter to a compiler error format outputter | 
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| 139 | runner.setOutputter( new CppUnit::CompilerOutputter( &runner.result(), | 
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| 140 | std::cerr ) ); | 
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| 141 | // Run the tests. | 
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| 142 | bool wasSucessful = runner.run(); | 
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| 143 |  | 
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| 144 | // Return error code 1 if the one of test failed. | 
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| 145 | return wasSucessful ? 0 : 1; | 
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| 146 | }; | 
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